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Contact EPA Pacific Southwest Air Program

Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, 147 Tribes

Air Actions, Arizona

Adequacy Review of SIP Submissions for Conformity

In EPA's adequacy review, the Agency determines whether the motor vehicle emissions budgets in the State Implementation Plan (SIP) are adequate for conformity purposes.

For more information on SIP submissions currently under EPA adequacy review and SIP submissions EPA has already found adequate, see the EPA's Office of Transportation and Air Quality Transportation Conformity Web Site.

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Arizona's Vehicle Emission Inspection (VEI) Programs
Changes to Arizona's Basic VEI program in Tucson, and the Enhanced VEI program in Phoenix (March, 2007)

Arizona's Cleaner Burning Gasoline program (January, 2004) Information at this link provided for reference purposes only

The Mohave Generating Station and Grand Canyon Visibility Information at this link provided for reference purposes only
Updated with final rule on revised plan (February, 2002)

Phoenix

Carbon Monoxide Actions
Final Redesignation to Attainment (January, 2005) and previous actions

Particulate Matter in Phoenix
With EPA's finding that Arizona has not submitted a required PM-10 plan for the Maricopa County nonattainment area and previous actions

Ground-Level Ozone Actions
Final Redesignation (May, 2005) and previous actions

Tucson

Carbon Monoxide Actions
10-year carbon monoxide (CO) Limited Maintenance Plan (LMP) in the Tucson Air Planning Area (TAPA); related statutory provision

Other Communities in Arizona

Particulate Matter in Hayden, AZ (December 2010)

Particulate Matter in Nogales, AZ (December 2010)

Particulate Matter Paul Spur/Douglas, AZ (December 2010)

Particulate Matter in Pinal County (September 2010)

Sulfur Dioxide in San Manuel, AZ (December 2007)

Sulfur Dioxide in Miami, AZ (December 2006)

Particulate Matter in Rillito, AZ (July, 2006)

Particulate Matter in Yuma, AZ (May, 2007)

Sulfur Dioxide in Douglas, AZ (December, 2005)

Sulfur Dioxide in Morenci, AZ (March, 2004)

Particulate Matter in Ajo, AZ (January, 2006)

Sulfur Dioxide in Ajo, AZ (September, 2003)

Tribal Areas in Arizona

Navajo Nation (September, 2003)

Gila River Indian Community (July 2010)

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